Home / 36,905,934.80-55,358,902.20-19,687,246.40

Finding the Fourth Proportional to 36,905,934.80, 55,358,902.20 and 19,687,246.40

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Solution

The fourth proportional to 36,905,934.80, 55,358,902.20 and 19,687,246.40 is: 29,530,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,905,934.80 : 55,358,902.20 = 19,687,246.40 : x
  2. Step 2: Convert to fraction form
    36,905,934.80/55,358,902.20 = 19,687,246.40/x
  3. Step 3: Cross multiply
    36,905,934.80x = 55,358,902.20 × 19,687,246.40
  4. Step 4: Simplify right side
    36,905,934.80x = 1,089,864,348,044,902
  5. Step 5: Solve for x
    x = 1,089,864,348,044,902/36,905,934.80
  6. Step 6: Final answer
    x = 29,530,869.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.